Rough Scienceفصل 2 افزودن تصویرشماره قسمت3Time and TransmittersOverviewThe team turn their attention to communication in the third episode from Carriacou. Kate challenges them to build a transmitter and radio reciever to send messages across the island, plus a kite and an accurate clock using only basic materials.Air dateMay 21, 2002Runtime (min)30